The Fourth Amendment itself identifies the criteria for obtaining a lawful search warrant. A police … See more

The Supreme Court has defined “probable cause” as an officer’s reasonable belief, based on circumstances known to that officer, that a crime has occurred or is about to oc… See more

The “exclusionary rule” requires courts to suppress evidence obtained through an unlawful search or seizure. See Mapp v. Ohio, 367 U.S. 643 (1961). Any evidence derived fro… See more

Computers and the internet present new challenges, since digital evidence might be stored on devices in a suspect’s possession or on the various internet servers kno… See more

Exigent Circumstances:Courts have allowed warrantless searches in situations where it would be impractical or dangerous to delay a search in order to obtain a warrant. Th… See more